Home / 1,065,957.18-1,471,170.96-678,648.90

Finding the Fourth Proportional to 1,065,957.18, 1,471,170.96 and 678,648.90

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Solution

The fourth proportional to 1,065,957.18, 1,471,170.96 and 678,648.90 is: 936,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,957.18 : 1,471,170.96 = 678,648.90 : x
  2. Step 2: Convert to fraction form
    1,065,957.18/1,471,170.96 = 678,648.90/x
  3. Step 3: Cross multiply
    1,065,957.18x = 1,471,170.96 × 678,648.90
  4. Step 4: Simplify right side
    1,065,957.18x = 998,408,553,715.94
  5. Step 5: Solve for x
    x = 998,408,553,715.94/1,065,957.18
  6. Step 6: Final answer
    x = 936,631.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.